Dental impression tray



FIG. 1 is a right side elevational view of a dental impression tray showing my new design, the left side being identical in appearance;

FIG. 2 is a top perspective view thereof;

FIG. 3 is a bottom perspective view thereof;

FIG. 4 is a top perspective view of an alternate embdiment thereof;

FIG. 5 is a bottom perspective view thereof; and

FIG. 6 is a right side elevational view thereof, the left side being identical in appearance. 

The ornamental design for a dental impression tray, as shown and described. 